EPYC 75F3 vs Ryzen 9 5900X

AMD

EPYC 75F3

32 Cores64 Thrd280 WWMax: 4 GHz2021

Popular choices:

VS
AMD

Ryzen 9 5900X

12 Cores24 Thrd105 WWMax: 4.8 GHz2020

Popular choices:

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

EPYC 75F3

2021

Why buy it

  • +65.6% higher PassMark.
  • +300% larger total L3 cache (256 MB vs 64 MB).
  • Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 128 PCIe lanes vs 24.
  • 433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 9 5900X across 4 shared CPU benchmark tests.
  • Lower PassMark per dollar, at 12.0 vs 71.0 PassMark/$ ($5,383 MSRP vs $549 MSRP).
  • 166.7% higher power demand at 280W vs 105W.

Ryzen 9 5900X

2020

Why buy it

  • Better for gaming: +11.8% higher average FPS across 4 shared CPU benchmark tests.
  • Costs $4,834 less on MSRP ($549 MSRP vs $5,383 MSRP).
  • Delivers 492.1% more PassMark for each dollar spent, at 71.0 vs 12.0 PassMark/$ ($549 MSRP vs $5,383 MSRP).
  • Draws 105W instead of 280W, a 175W reduction.

Trade-offs

  • Lower PassMark (38,955 vs 64,505).
  • Smaller total L3 cache (64 MB vs 256 MB).
  • Less compelling for workstation-style loads than EPYC 75F3, which brings 32 cores / 64 threads and 128 PCIe lanes.

Quick Answers

So, is Ryzen 9 5900X better than EPYC 75F3?
Not in a simple one-size-fits-all way. EPYC 75F3 makes more sense for workstation-style multi-core throughput, while Ryzen 9 5900X is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, EPYC 75F3 is the better fit. You are getting 65.6% better PassMark, backed by 32 cores and 64 threads. It also carries the larger cache pool with 300% larger total L3 cache (256 MB vs 64 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 9 5900X is the smarter buy today. Ryzen 9 5900X is $4,834 cheaper on MSRP at $549 MSRP versus $5,383 MSRP, and it gives you a 11.8% average FPS lead across 4 shared CPU game tests in our data. The trade-off is that EPYC 75F3 is still stronger for heavier multi-core work with 65.6% better PassMark. It is also 492.1% better value on MSRP (71.0 vs 12.0 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
EPYC 75F3 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2020), 300% larger total L3 cache (256 MB vs 64 MB), and more multi-core headroom with 32 cores / 64 threads instead of 12/24. That extra cache should hold up really well in CPU-limited games and high-refresh builds.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetEPYC 75F3Ryzen 9 5900X
1080p
low198 FPS323 FPS
medium161 FPS291 FPS
high130 FPS243 FPS
ultra100 FPS193 FPS
1440p
low162 FPS307 FPS
medium126 FPS248 FPS
high98 FPS192 FPS
ultra78 FPS157 FPS
4K
low73 FPS193 FPS
medium61 FPS156 FPS
high47 FPS115 FPS
ultra39 FPS103 FPS
Counter-Strike 2

Counter-Strike 2

PresetEPYC 75F3Ryzen 9 5900X
1080p
low507 FPS772 FPS
medium443 FPS647 FPS
high354 FPS508 FPS
ultra288 FPS450 FPS
1440p
low417 FPS619 FPS
medium373 FPS536 FPS
high308 FPS443 FPS
ultra243 FPS364 FPS
4K
low257 FPS365 FPS
medium234 FPS318 FPS
high205 FPS289 FPS
ultra171 FPS255 FPS
League of Legends

League of Legends

PresetEPYC 75F3Ryzen 9 5900X
1080p
low948 FPS832 FPS
medium792 FPS645 FPS
high734 FPS558 FPS
ultra657 FPS459 FPS
1440p
low661 FPS721 FPS
medium552 FPS565 FPS
high503 FPS488 FPS
ultra442 FPS407 FPS
4K
low472 FPS511 FPS
medium374 FPS421 FPS
high330 FPS374 FPS
ultra268 FPS308 FPS
Valorant

Valorant

PresetEPYC 75F3Ryzen 9 5900X
1080p
low1006 FPS974 FPS
medium908 FPS974 FPS
high782 FPS934 FPS
ultra679 FPS826 FPS
1440p
low770 FPS959 FPS
medium671 FPS843 FPS
high575 FPS726 FPS
ultra500 FPS617 FPS
4K
low556 FPS694 FPS
medium495 FPS621 FPS
high435 FPS541 FPS
ultra374 FPS437 FPS

Technical Specifications

Side-by-side comparison of EPYC 75F3 and Ryzen 9 5900X

AMD

EPYC 75F3

The EPYC 75F3 is manufactured by AMD. It was released in 15 March 2021 (4 years ago). It is based on the Milan (2021−2023) architecture. It features 32 cores and 64 threads. Base frequency is 2.95 GHz, with boost up to 4 GHz. L3 cache: 256 MB (total). L2 cache: 512 kB (per core). Built on 7 nm+ process technology. Socket: SP3. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 64,505 points. Launch price was $4,860.

AMD

Ryzen 9 5900X

The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.

Processing Power

The EPYC 75F3 packs 32 cores / 64 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the EPYC 75F3 has 20 more cores. Boost clocks reach 4 GHz on the EPYC 75F3 versus 4.8 GHz on the Ryzen 9 5900X — a 18.2% clock advantage for the Ryzen 9 5900X (base: 2.95 GHz vs 3.7 GHz). The EPYC 75F3 uses the Milan (2021−2023) architecture (7 nm+), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the EPYC 75F3 scores 64,505 against the Ryzen 9 5900X's 38,955 — a 49.4% lead for the EPYC 75F3. L3 cache: 256 MB (total) on the EPYC 75F3 vs 64 MB on the Ryzen 9 5900X.

FeatureEPYC 75F3Ryzen 9 5900X
Cores / Threads
32 / 64+167%
12 / 24
Boost Clock
4 GHz
4.8 GHz+20%
Base Clock
2.95 GHz
3.7 GHz+25%
L3 Cache
256 MB (total)+300%
64 MB
L2 Cache
512 kB (per core)
512K (per core)
Process
7 nm+
7 nm, 12 nm
Architecture
Milan (2021−2023)
Vermeer (Zen3) (2020−2022)
PassMark
64,505+66%
38,955
Cinebench R23 Multi
21,000
Geekbench 6 Single
2,174
Geekbench 6 Multi
11,888
🧠

Memory & Platform

The EPYC 75F3 uses the SP3 socket (PCIe 4.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the EPYC 75F3 versus DDR4-3200 on the Ryzen 9 5900X — the EPYC 75F3 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 75F3 supports up to 4096 of RAM compared to 128 GB 187.9% more capacity for professional workloads. Memory channels: 8 (EPYC 75F3) vs 2 (Ryzen 9 5900X). PCIe lanes: 128 (EPYC 75F3) vs 24 (Ryzen 9 5900X) — the EPYC 75F3 offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: SP3 (EPYC 75F3) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).

FeatureEPYC 75F3Ryzen 9 5900X
Socket
SP3
AM4
PCIe Generation
PCIe 4.0
PCIe 4.0
Max RAM Speed
3200+79900%
DDR4-3200
Max RAM Capacity
4096
128 GB+3276700%
RAM Channels
8+300%
2
ECC Support
Yes
Yes
PCIe Lanes
128+433%
24
🔧

Advanced Features

Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (EPYC 75F3) vs AMD-V (Ryzen 9 5900X). Primary use case: Ryzen 9 5900X targets Workstation. Direct competitor: EPYC 75F3 rivals Xeon Platinum 8380; Ryzen 9 5900X rivals Core i9-12900K.

FeatureEPYC 75F3Ryzen 9 5900X
Integrated GPU
No
No
IGPU Model
None
Unlocked
No
Yes
AVX-512
No
No
Virtualization
VT-x, VT-d
AMD-V
Target Use
Workstation
💰

Value Analysis

The EPYC 75F3 launched at $5383 MSRP, while the Ryzen 9 5900X debuted at $549. On MSRP ($5383 vs $549), the Ryzen 9 5900X is $4834 cheaper. In terms of value on MSRP (PassMark points per dollar), the EPYC 75F3 delivers 12.0 pts/$ vs 71.0 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 142.2% better value option.

FeatureEPYC 75F3Ryzen 9 5900X
MSRP
$5383
$549-90%
Performance per Dollar
12.0
71.0+492%
Release Date
2021
2020